body {
  background-color: #232323;
  font-family: "Raleway", Sans-serif;
  font-size: 62.5%; /*1 em = 10px */
  margin: 0;
}

#container {
  max-width: 600px;
  margin: 0 auto;
  padding-top: 20px;
}
.square {
  width: 30%;
  background-color: purple;
  padding-bottom: 30%;
  float: left;
  margin: 1.66%;
  transition: background 0.5s;
  -webkit-transition: background 0.5s;
  -moz-transition: background 0.5s;
  o-transition: background 0.5s;
}

h1 {
  color: white;
  background-color: #2c8e99;
  font-size: 3.5em;
  text-align: center;
  text-transform: uppercase;
  margin: 0;
  padding: 10px 0;
}

#color-display {
  display: block;
  font-size: 2em;
}

#stripe {
  background: white;
  height: 30px;
  text-align: center;
  color: black;
}

#message {
  text-transform: uppercase;
  color: #2c8e99;
  font-size: 1.5em;
  display: inline-block;
  width: 20%;
}

button {
  outline: none;
  color: #2c8e99;
  font-family: "Raleway", Sans-serif;
  text-transform: uppercase;
  font-size: 1.5em;
  background-color: white;
  height: 100%;
  letter-spacing: 1px;
  transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  o-transition: all 0.3s;
}

button:hover {
  background-color: #2c8e99;
  color: white;
}

.selected {
  background-color: #2c8e99;
  color: white;
}

.square {
  border-radius: 20%;
}

* {
  border: 0px solid red;
}
